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Convention Paper

Computationally Efficient Oversampling Filter Design for Real-Time Implementation

Authors: Lau, W. H.; Chan, S. L.; Leung, S. H.; Luk, A.

AES Convention 98 · Paper 3990 · February 1995

Abstract

This paper presents a method that makes use of the lossless bounded real (LBR) infinite impulse-response (IIR) filters to form a special structure with linear phase characteristics. The number of operations of this LBR IIR linear phase filter is shown to be less than 30% of a linear phase finite impulse-response (FIR) filter. The substantial reduction of the computational complexity makes the real-time implementation of a high-ratio oversampling filter possible using a single general-purpose digital signal processor running at a limited speed.

Details

Published in
AES Convention 98
AES Convention
98
Paper number
3990
Publication date
February 6, 1995
Session subject
Audio Signal Processing
Affiliation
City Polytechnic of Hong Kong (See document for exact affiliation information.)
Type
Convention Paper